Transcutaneous electrical nerve stimulation or TENS device



FIG. 1 is a perspective view of a TENS device;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof; and,

FIG. 4 is a bottom side view thereof. 

CLAIM The ornamental design for a transcutaneous electrical nerve stimulation or TENS device, as shown and described. 